MCQOPTIONS
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MCQOPTIONS
| 1. |
A man is sitting in a room at 2 m from a wall \[{{W}_{1}}\] wants to see the full height of the wall \[{{W}_{2}}\] behind him 4 m high and 6 m away from the facing wall \[{{W}_{1}}\]. What is the minimum vertical length of mirror on the facing wall required for the purpose? |
| A. | 4 m |
| B. | 2 m |
| C. | 3 m |
| D. | 1 m |
| Answer» E. | |